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import 'dart:async';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:just_audio/just_audio.dart';
import 'package:music_player_miao/common_widget/app_data.dart';
import '../../view_model/home_view_model.dart';
import '../api/api_music_likes.dart';
import '../api/api_collection.dart';
import '../common/download_manager.dart';
import '../common_widget/Song_widegt.dart';
import '../view/commend_view.dart';
import '../models/universal_bean.dart';
class MusicView extends StatefulWidget {
final List<Song> songList;
final int initialSongIndex;
final Function(int index, bool isCollected, bool isLiked)? onSongStatusChanged;
const MusicView({
super.key,
required this.songList,
required this.initialSongIndex,
this.onSongStatusChanged,
});
@override
State<MusicView> createState() => _MusicViewState();
}
class _MusicViewState extends State<MusicView> with SingleTickerProviderStateMixin {
final homeVM = Get.put(HomeViewModel());
bool _isDisposed = false;
AppData appData = AppData();
late int currentSongIndex;
late AudioPlayer _audioPlayer;
StreamSubscription? _playerStateSubscription;
final downloadManager = Get.put(DownloadManager());
// Stream values
Duration _duration = Duration.zero;
Duration _position = Duration.zero;
// Current song info
late String artistName;
late String musicName;
late bool likesnot;
late bool collectionsnot;
// Song lists
List<int> id = [];
List<String> song2 = [];
List<String> artist = [];
List<String> music = [];
List<bool> likes = [];
List<bool> collection = [];
late AnimationController _rotationController;
bool _isLoading = false;
@override
void initState() {
super.initState();
currentSongIndex = widget.initialSongIndex;
playerInit();
_initializeAsync();
_rotationController = AnimationController(
duration: const Duration(seconds: 20),
vsync: this,
);
_playerStateSubscription = _audioPlayer.playerStateStream.listen((state) {
if (!_isDisposed) {
if (state.playing) {
_rotationController.repeat();
} else {
_rotationController.stop();
}
}
});
}
@override
void dispose() {
_isDisposed = true;
_playerStateSubscription?.cancel();
_rotationController.stop();
_rotationController.dispose();
_audioPlayer.dispose();
super.dispose();
}
Future<void> _fetchSonglistData() async {
setState(() {
for (int i = 0; i < widget.songList.length; i++) {
id.add(widget.songList[i].id);
song2.add(widget.songList[i].musicurl);
artist.add(widget.songList[i].artist);
music.add(widget.songList[i].title);
likes.add(widget.songList[i].likes);
collection.add(widget.songList[i].collection);
}
});
}
Future<void> _updateCurrentSong() async {
if (_isDisposed) return;
// 立即更新UI和歌曲信息
setState(() {
_isLoading = true;
_position = Duration.zero;
_duration = Duration.zero;
artistName = artist[currentSongIndex];
musicName = music[currentSongIndex];
likesnot = likes[currentSongIndex];
collectionsnot = collection[currentSongIndex];
});
try {
// 在后台停止当前播放
await _audioPlayer.stop();
_rotationController.reset();
// Check for local file first
final localSong = downloadManager.getLocalSong(currentSongIndex);
final audioSource = localSong != null
? AudioSource.file(localSong.musicurl)
: AudioSource.uri(Uri.parse(song2[currentSongIndex]));
// Set the audio source and get duration
final duration = await _audioPlayer.setAudioSource(
audioSource,
preload: true,
);
if (!_isDisposed) {
setState(() {
_duration = duration ?? Duration.zero;
_isLoading = false;
});
}
// 开始播放
await _audioPlayer.play();
} catch (e) {
print('Error loading audio source: $e');
if (!_isDisposed) {
setState(() {
_isLoading = false;
});
}
}
}
void playerInit() {
_audioPlayer = AudioPlayer();
// Initialize with first song
artistName = widget.songList[widget.initialSongIndex].artist;
musicName = widget.songList[widget.initialSongIndex].title;
likesnot = widget.songList[widget.initialSongIndex].likes;
collectionsnot = widget.songList[widget.initialSongIndex].collection;
// Listen to player events
_audioPlayer.positionStream.listen((position) {
if (!_isDisposed) {
setState(() => _position = position);
}
});
_audioPlayer.durationStream.listen((duration) {
if (!_isDisposed) {
setState(() => _duration = duration ?? Duration.zero);
}
});
_audioPlayer.processingStateStream.listen((state) {
if (state == ProcessingState.completed) {
playNextSong();
}
});
}
Widget _buildPlayButton() {
return SizedBox(
width: 52,
height: 52,
child: Center(
child: _isLoading
? const CircularProgressIndicator(
valueColor: AlwaysStoppedAnimation<Color>(Color(0xff429482)),
strokeWidth: 3.0,
)
: IconButton(
padding: EdgeInsets.zero, // 移除内边距
constraints: const BoxConstraints(
minWidth: 52,
minHeight: 52,
maxWidth: 52,
maxHeight: 52,
),
onPressed: playOrPause,
icon: _audioPlayer.playing
? Image.asset(
"assets/img/music_play.png",
width: 52,
height: 52,
)
: Image.asset(
"assets/img/music_pause.png",
width: 52,
height: 52,
),
),
),
);
}
void playOrPause() async {
if (_isDisposed) return; // 添加状态检查
if (_audioPlayer.playing) {
await _audioPlayer.pause();
if (!_isDisposed) { // 再次检查状态
_rotationController.stop();
}
} else {
await _audioPlayer.play();
if (!_isDisposed) { // 再次检查状态
_rotationController.repeat();
}
}
if (!_isDisposed) {
setState(() {});
}
}
void playNextSong() {
if (currentSongIndex < widget.songList.length - 1) {
currentSongIndex++;
} else {
currentSongIndex = 0;
}
_updateCurrentSong();
}
void playPreviousSong() {
if (currentSongIndex > 0) {
currentSongIndex--;
} else {
currentSongIndex = widget.songList.length - 1;
}
_updateCurrentSong();
}
String formatDuration(Duration duration) {
String twoDigits(int n) => n.toString().padLeft(2, "0");
String twoDigitMinutes = twoDigits(duration.inMinutes.remainder(60));
String twoDigitSeconds = twoDigits(duration.inSeconds.remainder(60));
return "$twoDigitMinutes:$twoDigitSeconds";
}
Future<void> _initializeAsync() async {
await _fetchSonglistData();
await _updateCurrentSong();
}
void _changeCurrentSong(int index) {
if (!_isDisposed) {
setState(() {
currentSongIndex = index;
_updateCurrentSong();
});
}
}
Widget _buildRotatingAlbumCover() {
return RotationTransition(
turns: _rotationController,
child: Stack(
alignment: Alignment.center,
children: [
Positioned(
child: ClipRRect(
child: Image.network(
widget.songList[currentSongIndex].artistPic,
width: 225,
height: 225,
fit: BoxFit.cover,
),
),
),
ClipRRect(
child: Image.asset(
"assets/img/music_Ellipse.png",
width: 350,
height: 350,
fit: BoxFit.cover,
),
),
],
),
);
}
@override
Widget build(BuildContext context) {
return Container(
decoration: const BoxDecoration(
image: DecorationImage(
image: AssetImage("assets/img/app_bg.png"),
fit: BoxFit.cover,
),
),
child: Scaffold(
resizeToAvoidBottomInset: false,
backgroundColor: Colors.transparent,
body: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.only(top: 45, left: 10, right: 10),
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
IconButton(
onPressed: () {
Get.back();
},
icon: Image.asset(
"assets/img/back.png",
width: 25,
height: 25,
fit: BoxFit.contain,
),
),
Row(
children: [
IconButton(
onPressed: () {},
icon: Image.asset(
"assets/img/music_add.png",
width: 30,
height: 30,
),
),
IconButton(
onPressed: downloadManager.isDownloading(id[currentSongIndex]) ||
downloadManager.isCompleted(id[currentSongIndex])
? null
: () async {
await downloadManager.startDownload(
song: widget.songList[currentSongIndex],
context: context,
);
},
icon: Obx(() {
if (downloadManager.isDownloading(id[currentSongIndex])) {
return Stack(
alignment: Alignment.center,
children: [
SizedBox(
width: 32,
height: 32,
child: CircularProgressIndicator(
value: downloadManager.getProgress(id[currentSongIndex]),
backgroundColor: Colors.grey[200],
valueColor: const AlwaysStoppedAnimation<Color>(Color(0xff429482)),
strokeWidth: 3.0,
),
),
Text(
'${(downloadManager.getProgress(id[currentSongIndex]) * 100).toInt()}',
style: const TextStyle(fontSize: 12),
),
],
);
}
return Image.asset(
downloadManager.isCompleted(id[currentSongIndex])
? "assets/img/music_download_completed.png"
: "assets/img/music_download.png",
width: 30,
height: 30,
);
}),
),
],
)
],
),
const SizedBox(
height: 80,
),
Center(
child: _buildRotatingAlbumCover(),
),
const SizedBox(
height: 60,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
musicName,
style: const TextStyle(
fontSize: 20, fontWeight: FontWeight.bold),
),
Text(
artistName,
style: const TextStyle(fontSize: 20),
),
],
),
Row(
children: [
IconButton(
onPressed: () async{
setState(() {
likesnot = !likesnot;
likes[currentSongIndex] = !likes[currentSongIndex];
});
UniversalBean response = await LikesApiMusic().likesMusic(musicId: id[currentSongIndex], Authorization: AppData().currentToken);
if (response.code != 200) {
likesnot = !likesnot;
likes[currentSongIndex] = !likes[currentSongIndex];
}
widget.onSongStatusChanged?.call(
currentSongIndex,
collection[currentSongIndex], // 传递当前的收藏状态
likes[currentSongIndex]
);
},
icon: Image.asset(
likesnot
? "assets/img/music_good.png"
: "assets/img/music_good_un.png",
width: 29,
height: 29,
),
),
IconButton(
onPressed: () async {
setState(() {
collectionsnot = !collectionsnot;
collection[currentSongIndex] = !collection[currentSongIndex];
});
UniversalBean response = await CollectionApiMusic().addCollection(musicId: id[currentSongIndex], Authorization: AppData().currentToken);
if (response.code != 200) {
collectionsnot = !collectionsnot;
collection[currentSongIndex] = !collection[currentSongIndex];
}
widget.onSongStatusChanged?.call(
currentSongIndex,
collection[currentSongIndex],
likes[currentSongIndex] // 传递当前的点赞状态
);
},
icon: Image.asset(
collectionsnot
? "assets/img/music_star.png"
: "assets/img/music_star_un.png",
width: 29,
height: 29,
),
),
IconButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => CommentView(initialSongIndex: widget.initialSongIndex),
),
);
},
icon: Image.asset(
"assets/img/music_commend_un.png",
width: 29,
height: 29,
),
),
],
)
],
),
const SizedBox(
height: 80,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
"${formatDuration(_position)}",
style: const TextStyle(
color: Colors.black,
),
),
Expanded(
child: SliderTheme(
data: const SliderThemeData(
trackHeight: 3.0, // 调整轨道的高度
thumbShape: RoundSliderThumbShape(
enabledThumbRadius: 7.0), // 调整拇指的大小
overlayShape:
RoundSliderOverlayShape(overlayRadius: 12.0),
),
child: Slider(
min: 0,
max: _duration.inSeconds.toDouble(),
value: _position.inSeconds.toDouble(),
onChanged: (value) async {
await _audioPlayer
.seek(Duration(seconds: value.toInt()));
setState(() {});
},
activeColor: const Color(0xff429482),
inactiveColor: const Color(0xffE3F0ED),
),
),
),
Text(
"${formatDuration(_duration)}",
style: const TextStyle(
color: Colors.black,
),
),
],
),
const SizedBox(
height: 30,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
IconButton(
onPressed: () {},
icon: Image.asset(
"assets/img/music_random.png",
width: 35,
height: 35,
),
),
Row(
children: [
IconButton(
onPressed: playPreviousSong,
icon: Image.asset(
"assets/img/music_back.png",
width: 42,
height: 42,
),
),
const SizedBox(
width: 10,
),
_buildPlayButton(), // 这里使用新的方法替换原来的IconButton
const SizedBox(
width: 10,
),
IconButton(
onPressed: playNextSong,
icon: Image.asset(
"assets/img/music_next.png",
width: 42,
height: 42,
),
),
],
),
IconButton(
onPressed: _showPlaylist,
icon: Image.asset(
"assets/img/music_more.png",
width: 35,
height: 35,
),
),
],
)
],
),
),
),
),
);
}
void _showPlaylist() {
showModalBottomSheet(
context: context,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(30))),
builder: (BuildContext context) {
return Container(
padding: const EdgeInsets.only(top: 15),
constraints: BoxConstraints(
maxHeight: MediaQuery.of(context).size.height * 0.45),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const Center(
child: Text(
"播放列表",
style: TextStyle(
fontSize: 20,
),
),
),
const SizedBox(
height: 10,
),
Expanded(
child: ListView.builder(
itemCount: music.length,
itemBuilder: (BuildContext context, int index) {
bool isCurrentlyPlaying = currentSongIndex == index;
return ListTile(
tileColor: isCurrentlyPlaying ? const Color(0xffE3F0ED) : null,
title: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Padding(
padding: const EdgeInsets.only(left: 20),
// Add left padding
child: Text(
music[index],
style: const TextStyle(fontSize: 18),
),
),
Padding(
padding: const EdgeInsets.only(right: 20),
// Add right padding
child: Image.asset(
"assets/img/songs_run.png",
width: 25,
), // Add your desired icon here
),
],
),
onTap: () {
_changeCurrentSong(index);
Navigator.pop(context);
},
);
},
),
),
],
),
);
},
);
}
}